import java.util.Random;
import java.util.Scanner;

public class Test {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        Random random = new Random();
        int randNum = random.nextInt(50) + 50;

    }
    /*public static void main3(String[] args) {
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt();
        System.out.println(a);
        //int b = scan.nextDouble();
    }
    public static void main2(String[] args) {
        int a=2;
        System.out.printf("%d",a); //格式化输出
        System.out.println(a);     //换行
        System.out.print(a);       //不换行
    }
    public static void main1(String[] args) {
       // System.out.println("\\"hello\\"");
        int i=5;
        while(i>0)
        {
            System.out.println(i);
            i--;
        }
        for (int j = 0; j < 10; j++) {
            System.out.println(j);
        }

    }*/
}
